Answer: NY
Our paper money has 1 of these 12 combinations on it, ... the place where it was minted and printed.
1A - Boston, MA
2B - New York, NY
3C - Philadelphia, PA
4D - Cleveland, OH
5E - Richmond, VA
6F - Atlanta, GA
7G - Chicago, IL
8H - St. Louis, MO
9I - Minneapolis, MN
10J - Kansas City, MO
11K - Dallas, TX
12 L - San Francisco, CA